Programming games Show your virtual somethings. Demonstrate Hangman and Black Jack. Show credit card (or other form input & calculation) Homework: [Complete your virtual something.] Study midterm guide and come to class with questions.

Virtual dog: Discrete simulation Check and, possibly, change state at discrete intervals of time. Note: Can combine with event based programming –do actions, including checks, when events happen State can include: internal state variables, src settings for img on document, OR draw on canvas, change location of elements in the document. –more on this later

Discrete simulation Used for many things, including –Weather. What goes on each interval is solution of a small number (~6) equations involving 3-D grid of the world! –Traffic. –Medicine / biology –Manufacturing –….

One way of handling animated gifs stgif.html Notice check if the gif has been started already. The function setInterval returns a new number each time.

Hangman Combine dynamically created markup with drawings on canvas. External script file used to hold word list. html5/hangman3.htmlhttp://faculty.purchase.edu/jeanine.meyer/ html5/hangman3.html

function drawhead() { ctx.lineWidth = 3; ctx.strokeStyle = facecolor; ctx.save(); //before scaling of circle to be oval ctx.scale(.6,1); ctx.beginPath(); ctx.arc (bodycenterx/.6,80,10,0,Math.PI*2,fa lse); ctx.stroke(); ctx.closePath(); ctx.restore(); }

.letters {position:absolute;left: 0px; top: 0px; border: 2px; border-style: double; margin: 5px; padding: 5px; color:#F00; background-color:#0FC; font- family:"Courier New", Courier, monospace; }.blanks {position:absolute;left: 0px; top: 0px; border:none; margin: 5px; padding: 5px; color:#006; background-color:white; font-family:"Courier New", Courier, monospace; text-decoration:underline; color: black; font-size:24px; }

Black Jack more drawing of images, text on canvas, shuffling, capture key presses – 5/blackjack.htmlhttp://faculty.purchase.edu/jeanine.meyer/html 5/blackjack.html Note use of footer for giving credit.

Classwork / Homework Catch up. Show work. If you aren't done (remember it can be simple), complete your virtual something. Start studying for midterm. –Come to class with questions.